Finding the Third Proportional to 356,982 and 750,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,982 : 750,778.50 = 750,778.50 : x
2. Step 2: Convert to fraction form
   356,982/750,778.50 = 750,778.50/x
3. Step 3: Cross multiply
   356,982x = 750,778.50 × 750,778.50
4. Step 4: Simplify right side
   356,982x = 563,668,356,062.25
5. Step 5: Solve for x
   x = 563,668,356,062.25/356,982
6. Step 6: Final answer
   x = 1,578,982.57